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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*
*/
#ifndef TOLTECS_RENDER_H
#define TOLTECS_RENDER_H
#include "graphics/surface.h"
#include "toltecs/segmap.h"
#include "toltecs/screen.h"
#include "toltecs/microtiles.h"
namespace Toltecs {
enum RenderType {
kSprite,
kText,
kMask
};
enum RenderFlags {
kNone = 1 << 0,
kRefresh = 1 << 1,
kRemoved = 1 << 2,
kMoved = 1 << 3,
kUnchanged = 1 << 4
};
struct RenderTextItem {
byte color;
uint fontResIndex;
byte *text;
int len;
};
struct RenderQueueItem {
RenderType type;
uint flags;
Common::Rect rect;
int16 priority;
union {
SpriteDrawItem sprite;
RenderTextItem text;
SegmapMaskRect mask;
};
};
class RenderQueue {
public:
RenderQueue(ToltecsEngine *vm);
~RenderQueue();
void addSprite(SpriteDrawItem &sprite);
void addText(int16 x, int16 y, byte color, uint fontResIndex, byte *text, int len);
void addMask(SegmapMaskRect &mask);
void update();
void clear();
protected:
typedef Common::List<RenderQueueItem> RenderQueueArray;
ToltecsEngine *_vm;
RenderQueueArray *_currQueue, *_prevQueue;
MicroTileArray *_updateUta;
bool rectIntersectsItem(const Common::Rect &rect);
RenderQueueItem *findItemInQueue(RenderQueueArray *queue, const RenderQueueItem &item);
bool hasItemChanged(const RenderQueueItem &item1, const RenderQueueItem &item2);
void invalidateItemsByRect(const Common::Rect &rect, const RenderQueueItem *item);
void addDirtyRect(const Common::Rect &rect);
void restoreDirtyBackground();
void updateDirtyRects();
};
} // End of namespace Toltecs
#endif /* TOLTECS_RENDER_H */
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